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A new way of making LEDs could see household lighting bills reduced by up to 75% within five years. Gallium Nitride (GaN), a man-made semiconductor used to make LEDs (light emitting diodes), emits brilliant light but uses very little electricity. Until now high production costs have made GaN lighting too expensive for wide spread use in homes and offices. However the Cambridge University based Centre for Gallium Nitride has developed a new way of making GaN which could produce LEDs for a tenth of current prices.

Reuters has a report on Australian wave power company Carnegie Corp and the vast potential for wave power in southern Australia - Aussie firm sees buoyant future in wave power. For millennia, Australia's rugged southern coast has been carved by the relentless action of waves crashing ashore. The same wave energy could soon be harnessed to power towns and cities and trim Australia's carbon emissions. "Waves are already concentrated solar energy," says Michael Ottaviano, who leads a Western Australian firm developing a method to turn wave power into electricity. "The earth has been heated by the Sun, creating wind, which created the swells," he told Reuters from Perth, saying wave power had the potential to supply all of Australia's needs many times over.

So far, CNG vehicles haven't made a blip on my radar screen, even though the group Natural Gas Vehicles for America (NGVA) estimates there are 150,000 NGVs on U.S. roads today and over 5 million worldwide. It took a phone call from sunny Southern Utah to clue me in to recent developments, which include a local refueling station overflowing with CNG-hungry vehicles. There are about 1500 CNG refueling stations in the US, which is about the same number of commercial stations offering E85 ethanol blends. Utah has a total of 91 CNG filling stations, most of which are reserved for commercial fleet use, but there are 20 open to the public. According to an article by the Associated Press, you could drive Utah from top to bottom and hit 22 different stations offering compressed natural gas.

BEIJING, April 28 -- CHINA is looking to expand wind power generating capacity to 100,000 megawatts by 2020, or fivefold the previous target, an industry official said. "The NDRC has just recently completed an internal meeting to discuss the possibility of increasing wind power capacity to 100,000MW," Shi Pengfei, vice president of Chinese Wind Energy Association said, referring to the National Development and Reform Commission, China's top industry planning body. "It's not 20,000MW or 30,000MW as previously targeted."

Local organization to promote and develop the green building community.

(NaturalNews) For decades, battery storage technology has been a heavy weight on the back of scientific innovation. From cell phones to electric vehicles, our technological capabilities always seem to be several steps ahead of our ability to power them. Several promising new technologies are currently under development to help power the 21st century, but one small start-up looks especially well positioned to transform the way we think about energy storage.

HYDERABAD: Now, you can spin the yarn, and through that, listen to the radio and do some reading as well. This is thanks to rural development minister G Chinna Reddy on Friday launching e-charka, an electric improvisation over what was made famous by Mahatma Gandhi.

OAK RIDGE, Tenn. - U.S. Sen. Lamar Alexander came to Oak Ridge on Friday to promote a five-year project aimed at making America energy independent and more environmentally friendly within a generation. Alexander, a Tennessee Republican, is comparing his proposal to the World War II-era Manhattan Project, when the nation worked feverishly and secretly to develop atomic weapons. Oak Ridge's people and facilities played a key role in that project.

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AFS Trinity Power has developed patent-pending technology that makes it possible for plug-in hybrid electric vehicles to achieve 150 MPG, go 40 miles in all-electric mode, and use gasoline for additional unlimited miles in hybrid mode. In July 2007, in order to very quickly demonstrate all of the key attributes of this technology, the company mounted an effort to build two fully operational XH-150 SUV prototypes using off-the-shelf components. The two vehicles-modified Saturn Vue SUVs-were built in less than six months. They were unveiled on January 13, 2008 at the North American International Auto Show in Detroit (Press Announcement) and (Salon.com test drive report).

Sixtron has recently developed a thin coating for solar cells called Silexium. This anti-reflective coating could make solar panels much more affordable ...

"The world's southernmost wind farm, in Antarctica, is now operational. The Ross Island wind farm will supply about 11 percent of the power to New Zealand's Scott Base and the American McMurdo Station. Previously, the two sites relied on diesel-powered generators for electricity. The wind farm will cut diesel consumption by about 463,000 liters a year and reduce carbon dioxide output by 1,370 tons annually, according to New Zealand-based Meridian Energy, the project's developer. The three turbines, each 37 meters tall and 33 meters wide, are generating 330 kilowatts of power."

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Duke Energy announced that it will expand its renewable power business with the development of a second wind energy project in Cheyenne, Wyoming. The company also announced that it has signed a power purchase agreement for the project and has secured turbines.

The US Department of Energy has released the latest edition of their Annual Energy Review (from the Executive Summary): The projections in AEO2009 look beyond current economic and financial woes and focus on factors that drive U.S. energy markets in the longer term. Key issues highlighted in the AEO2009 include higher but uncertain world oil prices, growing concern about greenhouse gas (GHG) emissions and its impacts on energy investment decisions, the increasing use of renewable fuels, the increasing production of unconventional natural gas, the shift in the transportation fleet to more efficient vehicles, and improved efficiency in end-use appliances. Using a reference case and a broad range of sensitivity cases, AEO2009 illustrates these key energy market trends and explores important areas of uncertainty in the U.S. energy economy. The AEO2009 cases, which were developed before enactment of the American Recovery and Reinvestment Act of 2009 (ARRA2009) in February 2009, reflect laws and policies in effect as of November 2008.

The LA Times has an article on a new report noting that wind power could meet the entire electricity demand in the US - Wind turbines could more than meet U.S. electricity needs, report says. Wind turbines off U.S. coastlines could potentially supply more than enough electricity to meet the nation's current demand, the Interior Department reported Thursday. Simply harnessing the wind in relatively shallow waters -- the most accessible and technically feasible sites for offshore turbines -- could produce at least 20% of the power demand for most coastal states, Interior Secretary Ken Salazar said, unveiling a report by the Minerals Management Service that details the potential for oil, gas and renewable development on the outer continental shelf. The biggest wind potential lies off the nation's Atlantic coast, which the Interior report estimates could produce 1,000 gigawatts of electricity -- enough to meet a quarter of the national demand.

At the recently held EWEC 2009 wind energy conference and exhibition most exhibitors agreed that while there has been a substantial business slowdown due to problems linked to obtaining wind project financing, an upturn in demand during the second half of 2009 is beginning to play out, at least in the U.S. Other exhibitors, on the other hand, were a bit more cautious pointing out that substantial numbers of unsold turbines from framework contracts failing to secure project finance are now floating on the wind market. Most interesting from a wind technology point of view is the V112-3.0MW switch away from a compact V90-3.0MW integrated gearbox and main bearing assembly to a 3-point gearbox support. The application of a permanent magnet (PM) type generator with full converter system in the V112-3.0MW is new for Vestas but not for the wind industry. New Technology Trends In what many wind industry insiders consider a major development trend, French aerospace companies EADS Astrium & EADS Composite Aquitaine announced their formal entrance into the wind industry. The French companies offer the wind industry advanced composite materials engineering, manufacturing and related know-how as well as rotor-blade manufacturing capacity.

Offshore areas along the U.S. coastline hold great potential for wind energy development as the resources are located near the nation's highest areas of electricity demand - coastal metropolitan centers, U.S. Secretary of the Interior Ken Salazar said last week. "Yes, we can build a clean energy future, but it will require American energy, American ingenuity and American courage to tackle our dependence on foreign oil and the growing perils of climate change." -- U.S. Secretary of the Interior Ken Salazar "More than three-fourths of the nation's electricity demand comes from coastal states and the wind potential off the coasts of the lower 48 states actually exceeds our entire U.S. electricity demand," Salazar told a summit meeting of 25X'25 America's Energy Future, a group working to lower America's carbon emissions.

Inhabitat has a post on Toyota's latest hybrid vehicle design - Toyota's New Hybrid MR2 Revealed!. The Toyota MR2 sportscar is hitting the road, remade from its older version into a Prius-inspired hybrid vehicle. The new MR2 will draw inspiration (and technology) from the iconic Toyota Prius, with the goal of creating a mass market hybrid sportscar that is as fun to drive as it is green. Toyota's development of the MR2 is not to one-up the Tesla Roadster, but rather to create a car that can do a reasonable 0-60mph in seven seconds and get an incredible 60mpg. We are all familiar with Toyota's efforts to create a mass market electric vehicle. The Prius, after all, is the best known green car on the market. So looking to capitalize on such technology while creating a sportier, much more dynamic looking vehicle has great implications for both a consumer market and the corporation's innovation.